: Can you change everything back to normal if you want to after you've done
: something like: The AR fires Spartans? Also, if I put a mod chip in my
: Xbox will I still be able to play games normally, [without hacks,]? And
: will I be able to play new games, [like Halo 2,] even if I have a mod chip
: in the Xbox? I'm thinking about getting a mod chip and I need more info.

The answer to all of those quesitons is "Yes". You'll even be able to play Halo 2 on XB Live as long as you turn your mod chip off. There are also modless solutions available through the now through M$'s crappy job of programing the Dashboard. You need to direct yourself to www.xbox-scene.com